code: def testZero(self):
      input = zeros(44100)
      self.assertEquals(Larm()(input), -100)
  
file_path: essentia/test/src/unittests/temporal/test_larm.py
imports: from essentia_test import *
label_desc: Use image node_id 2 for calling the TestLarm obj's underlying member method code with example usage: obj.testZero() without return types